Answer:
C. Your friend paid for 17 rides and has $42.75 left over
Explanation:
f(x) = -1.25(x) + 64
f(17) = -1.25(17) + 64
f(17) = -21.25 + 64
f(17) = 42.75
80 - 12 - 4 = 64
I hope this helps!
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